Surveying
The First Point of Aeries

Is usually denoted by the Greek letter ?
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda
All listed here
Is the point in the celestial sphere where zero meridian crosses the celestial equator

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Surveying
A telescope is said to be inverted if its

vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is up
vertical circle is to its right and the bubble of the telescope is up

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Surveying
The difference between a level line and a horizontal line is that

horizontal line is normal to plumb line while level line may not be normal to the plumb line
level line is a curved line while hori-zontal line is a straight line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
both are same

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Surveying
Bowditch rule is applied to

determine the effect of local attraction
an open traverse for graphical adjustment
a closed traverse for adjustment of closing error
None of these

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